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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/46590] long compile time with -O2 and many loops
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46590

--- Comment #4 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-11-21 18:56:58 UTC ---
Please strip down the testcase and provide -ftime-report output (I suppose
you hit IVOPTs slowness, so try -fno-ivopts).